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Fidel, R.; Efthimiadis, E.N.: Terminological knowledge structure for intermediary expert systems (1995)
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Chung, Y.-M.; Noh, Y.-H.: Developing a specialized directory system by automatically classifying Web documents (2003)
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McIlwaine, I.C.: ¬A feasibility study on the restructuring of the Universal Decimal Classification into a fully-facetd classification system (1994)
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Madalli, D.P.; Prassad, A.R.D.: VYASA: a knowledge representation system for automatic maintenance of analytico-synthetic scheme (2003)
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Slavic, A.; Davies, S.: Facet analysis in UDC : questions of structure, functionality and data formality (2017)
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